diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rwxr-xr-x | activerecord/lib/active_record/associations.rb | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index a14aed1700..a4c440f4b4 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -307,6 +307,8 @@ module ActiveRecord # sql fragment, such as "price > 5 AND name LIKE 'B%'". # * <tt>:order</tt> - specify the order in which the associated objects are returned as a "ORDER BY" sql fragment, # such as "last_name, first_name DESC" + # * <tt>:group</tt> - specify the attribute by which the associated objects are returned as a "GROUP BY" sql fragment, + # such as "category" # * <tt>:foreign_key</tt> - specify the foreign key used for the association. By default this is guessed to be the name # of this class in lower-case and "_id" suffixed. So a +Person+ class that makes a has_many association will use "person_id" # as the default foreign_key. @@ -341,7 +343,8 @@ module ActiveRecord options.assert_valid_keys( :foreign_key, :class_name, :exclusively_dependent, :dependent, :conditions, :order, :include, :finder_sql, :counter_sql, - :before_add, :after_add, :before_remove, :after_remove, :extend + :before_add, :after_add, :before_remove, :after_remove, :extend, + :group ) options[:extend] = create_extension_module(association_id, extension) if block_given? |